EP-54V-150W-DCPower MethodDC/DC 150W for 22 - 60V Input, DC Terminal Block for 54V OutputPower SupplyDC/DC 150W for 22 - 60V InputVoltage RangeDC/DC for 22 - 60V Input, 54V OutputBattery Type2/3/4 Series Lead Acid BatteryMaximum Charging Voltage2 Series3 Series4 Series26.8 - 27.5V40.2 - 41.2V53.6 - 55VDischarge Protection Voltage 2 Series3 Series4 Series21.5V32V43VCharging Current2 Series3 Series4 Series0.3A0.3A0.2ALEDSystem On/OffESD/EMP ProtectionAir ± 8kV; Contact ± 6kVOperating Temperature0 to 40° C(32 to 104° F)Operating Humidity10 to 90% NoncondensingCertificationsCE, FCC, IC